MOUNT HOLLY, NJ – The region is facing a threat of “enhanced” thunderstorm activity this afternoon and evening, according to the National Weather Service.

According to an advisory from the service, “a strengthening low pressure system moving through the Great Lakes will lead to a warm frontal passage during the day Sunday and a strong cold frontal passage Sunday night. This will create an environment favorable for severe thunderstorms as well as localized heavy rainfall.”

The advisory said that the main threat from the storms may be from strong, gusty winds and possibly large hail.

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Flooding could also be a problem in areas of poor drainage, according to the NWS.

 Wind gusts could reach as high as 60 M.P.H. and the possibility of large hail or a tornado cannot be ruled out, according to the advisory.

Heavy rainfall could start Sunday afternoon with the best chance of the severe thunderstorms developing from 2-4 p.m. as the system moves rapidly through the region through about 10 p.m. Sunday night, according to the service.